// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.14-4-1
description: Object.keys - elements of the returned array start from index 0
---*/

function Test() {
    var obj = {
      prop1: 1001,
      prop2: 1002
    };

    Object.defineProperty(obj, "prop3", {
      value: 1003,
      enumerable: true,
      configurable: true
    });

    Object.defineProperty(obj, "prop4", {
      get: function() {
        return 1003;
      },
      enumerable: true,
      configurable: true
    });

    var arr = Object.keys(obj);

    assert(arr.hasOwnProperty(0), 'arr.hasOwnProperty(0) !== true');
    assert.sameValue(arr[0], "prop1", 'arr[0]');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
